KR100631041B1 - 절삭성 및 가공성이 우수한 쾌삭황동합금 - Google Patents
절삭성 및 가공성이 우수한 쾌삭황동합금 Download PDFInfo
- Publication number
- KR100631041B1 KR100631041B1 KR1020050018147A KR20050018147A KR100631041B1 KR 100631041 B1 KR100631041 B1 KR 100631041B1 KR 1020050018147 A KR1020050018147 A KR 1020050018147A KR 20050018147 A KR20050018147 A KR 20050018147A KR 100631041 B1 KR100631041 B1 KR 100631041B1
- Authority
- KR
- South Korea
- Prior art keywords
- machinability
- bismuth
- free
- cutting
- brass
- Prior art date
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C9/00—Alloys based on copper
- C22C9/04—Alloys based on copper with zinc as the next major constituent
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C2200/00—Crystalline structure
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C2202/00—Physical properties
Abstract
Description
상기와 같은 본 발명의 조성물을 제조함에 있어서는 전기유도로에 원재료를 장입하여 1200∼1300℃의 온도에서 용해한 후 1000∼1100℃의 온도에서 냉각수량 80∼100m3/hr 및 80∼120mm/min 속도로 주조하여 billet type의 주괴를 얻고, 이 주괴를 billet Heater를 이용하여 600∼700℃로 가열한 후 6∼11mm φ 크기로 열간 압출을 실시한다. 이렇게 제조된 열간 압출품을 최종 압출크기에 따라 냉간 중간인발, annealing(소둔), 산세, 완제인발을 실시한다.
필요한 규격에 따라 중간인발, 소둔, 산세공정을 적절히 반복하여 가공을 위한 규격의 소재인 1∼8mmφ 크기로 제조할 수 있다.
본 발명 | Cu | Bi | Fe | Si | 나머지 | |
실시예 (중량%) | 1 | 58.13 | 1.89 | 1.12 | 0.34 | Zn |
2 | 58.3 | 1.96 | 0.52 | 0.49 | Zn | |
3 | 58.26 | 1.95 | 0.31 | 0.59 | Zn | |
4 | 58.41 | 1.92 | 0.1 | 0.08 | Zn |
Cu | Bi | Pb | Fe | Si | Sn | Zn | ||
비교예 | 1 | 64.7 | - | 0.001 | - | - | 0.002 | 나머지 |
2 | 58.4 | - | 3.58 | 0.01 | - | 0.002 | 나머지 | |
3 | 59.2 | - | 2.43 | 0.01 | - | 0.002 | 나머지 | |
실시예 | 5 | 51 | 0.8 | 0.001 | 0.1 | 0.1 | 1.2 | 나머지 |
6 | 54 | 1.2 | 0.001 | 0.2 | 0.2 | 0.8 | 나머지 | |
7 | 56 | 1.5 | 0.001 | 0.4 | 0.4 | 0.6 | 나머지 | |
8 | 58 | 2.5 | 0.001 | 0.8 | 0.8 | 0.4 | 나머지 | |
9 | 62 | 3.5 | 0.001 | 1.0 | 1.0 | 0.1 | 나머지 |
비교예1 | 비교예2 | 비교예3 | 실시예5 | 실시예7 | 실시예9 | |
토르크(kgf/cm) | 7.98 | 2.68 | 2.96 | 2.79 | 2.7 | 2.81 |
절삭성(%) | 34 | 100 | 91 | 96 | 99 | 95 |
비교예 2 | 비교예 3 | 비교예 4 | 비교예 5 | 비교예 9 | |
납함유량(%) | 3.58 | 2.43 | 0.005 | 0.004 | 0.004 |
납침출량(mg/kg) | 3.4 | 3.1 | 98.5 | 97.5 | 95.4 |
보건복지부기준(1ppm) | 불합격 | 불합격 | 합격 | 합격 | 합격 |
비교예 1 | 비교예2 | 비교예3 | 실시예5 | 실시예7 | 실시예8 | |
최대값(㎛) | >22 | 22 | 13 | 11 | 4 | 2 |
Claims (5)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020050018147A KR100631041B1 (ko) | 2005-03-04 | 2005-03-04 | 절삭성 및 가공성이 우수한 쾌삭황동합금 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020050018147A KR100631041B1 (ko) | 2005-03-04 | 2005-03-04 | 절삭성 및 가공성이 우수한 쾌삭황동합금 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20060096877A KR20060096877A (ko) | 2006-09-13 |
KR100631041B1 true KR100631041B1 (ko) | 2006-10-04 |
Family
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KR1020050018147A KR100631041B1 (ko) | 2005-03-04 | 2005-03-04 | 절삭성 및 가공성이 우수한 쾌삭황동합금 |
Country Status (1)
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KR (1) | KR100631041B1 (ko) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112575219A (zh) * | 2020-11-23 | 2021-03-30 | 太原理工大学 | 添加稀土Ce的原位自生Fe5Si3颗粒增强黄铜及其制备方法 |
US11692243B2 (en) * | 2018-12-19 | 2023-07-04 | Poongsan Corporation | Free-cutting leadless copper alloy with no lead and bismuth |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102009038657A1 (de) | 2009-08-18 | 2011-02-24 | Aurubis Stolberg Gmbh & Co. Kg | Messinglegierung |
DE102016001994A1 (de) * | 2016-02-19 | 2017-08-24 | Wieland-Werke Ag | Gleitelement aus einer Kupfer-Zink-Legierung |
DE102022002927B4 (de) | 2022-08-11 | 2024-04-25 | Wieland-Werke Aktiengesellschaft | Knetwerkstoff aus einer Kupfer-Zink- Legierung, Halbzeug aus einemKnetwerkstoff und Verfahren zur Herstellung von solchem Halbzeug |
DE102022002928B4 (de) | 2022-08-11 | 2024-04-25 | Wieland-Werke Aktiengesellschaft | Knetwerkstoff aus einer Kupfer-Zink- Legierung, Halbzeug aus einemKnetwerkstoff und Verfahren zur Herstellung von solchem Halbzeug |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63109130A (ja) | 1986-10-23 | 1988-05-13 | Furukawa Electric Co Ltd:The | 電子機器用銅合金 |
JPS63310930A (ja) * | 1987-06-10 | 1988-12-19 | Furukawa Electric Co Ltd:The | フレキシブルプリント用銅合金 |
KR100352213B1 (ko) | 1998-10-12 | 2002-09-12 | 삼보신도고교 가부기키가이샤 | 무연 쾌삭성 동합금 |
JP2002275564A (ja) | 2001-03-16 | 2002-09-25 | Sanwa Tekki Corp | パンタグラフ用摺り板材 |
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2005
- 2005-03-04 KR KR1020050018147A patent/KR100631041B1/ko active IP Right Grant
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63109130A (ja) | 1986-10-23 | 1988-05-13 | Furukawa Electric Co Ltd:The | 電子機器用銅合金 |
JPS63310930A (ja) * | 1987-06-10 | 1988-12-19 | Furukawa Electric Co Ltd:The | フレキシブルプリント用銅合金 |
KR100352213B1 (ko) | 1998-10-12 | 2002-09-12 | 삼보신도고교 가부기키가이샤 | 무연 쾌삭성 동합금 |
JP2002275564A (ja) | 2001-03-16 | 2002-09-25 | Sanwa Tekki Corp | パンタグラフ用摺り板材 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11692243B2 (en) * | 2018-12-19 | 2023-07-04 | Poongsan Corporation | Free-cutting leadless copper alloy with no lead and bismuth |
CN112575219A (zh) * | 2020-11-23 | 2021-03-30 | 太原理工大学 | 添加稀土Ce的原位自生Fe5Si3颗粒增强黄铜及其制备方法 |
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KR20060096877A (ko) | 2006-09-13 |
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